black box

It happens every so often: a driver claims that a car accelerated out of control just before it crashed into something or other. Only in the last 10 years have automakers had data to investigate the claims, usually from a "black box" that captures a car's most recent few seconds of operating information. Electric-car maker Tesla Motors has taken data collection on its cars' operation much further, with cars that continuously transmit what they're doing (and where) back to the company. DON'T MISS: Tesla refutes owner claims of Model X 'sudden acceleration' before crash That capability lets it...